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분수 2자리 (분모가 같은)

1
2 48
+
4 48
=
6 48
2
+
4
=
1 8
2
4 87
+
1 87
=
5 87
3
1 65
+
6 65
=
7 65
4
6 23
+
5 23
=
11 23
5
1 45
+
2 45
=
3 45
1
+
2
=
1 15
6
2 55
+
4 55
=
6 55
7
4 52
+
3 52
=
7 52
8
3 74
+
4 74
=
7 74
9
4 21
+
3 21
=
7 21
4
+
3
=
1 3
10
3 28
+
1 28
=
4 28
3
+
1
=
1 7
11
6 11
+
1 11
=
7 11
12
1 61
+
4 61
=
5 61
13
4 27
+
7 27
=
11 27
14
7 10
+
3 10
=
10 10
7
+
3
=
1 1
15
3 21
+
6 21
=
9 21
3
+
6
=
3 7
▲